António Pinheiro

Email: Send Email
Address: IT Branch – Covilhã
Faculdade de Engenharia
Covilhã
6201-001
Tel: 275329953
Fax: 275329972

Bio

Antonio Pinheiro is an Associate Professor at UBI (Universidade da Beira Interior), and a researcher at IT (Instituto de Telecomunicações), Portugal. He received the "Licenciatura" from IST, Lisbon in 1988 and the PhD in Electronic Systems Eng. from University of Essex in 2002. Currently, his research interests are on Multimedia Quality Evaluation and Emerging 3D Imaging Technologies. He is a Portuguese delegate to ISO/IEC JTC1/SC29 and the Communication Subgroup chair of JPEG. He was the PC co-chair of QoMEX 2015, special session co-chair of QoMEX 2016, host of the 100th JPEG meeting, organiser of the tutorial in ACM Multimedia 2021 ”Plenoptic Quality Assessment: The JPEG Pleno Experience”, organiser of the special sessions “Challenges in Point Cloud Technology”da European Workshop on Visual Information Processing, EUVIP 2022 and “Quality Assessment”, Multimedia Signal Processing, MMSP 2014, Jacarta, Indonesia, co-organiser of the special session ”Image Compression Grand Challenge”, International Conference on Image Processing (ICIP 2016) 25-28, September, 2016, Phoenix, Arizona, USA., and ”Evaluation of Current and Future Image Compression Technologies”, Picture Coding Symposium (PCS 2015), 31, May - 3, June, 2015, Cairns, Australia.
He was a Portuguese representatives in the E.U. Cost Actions: COST 292 - “Semantic multimodal analysis of digital media”, COST IC1003 - “QUALINET - European Network on Quality of Experience in Multimedia Systems and Services”, COST IC1206 - “DE-ID - De- identification for privacy protection in multimedia content”, COST BM1304 - “MYO-MRI - Applications of MR imaging and spectroscopy techniques in neuromuscular disease: collaboration on out-come measures and pattern recognition for diagnostics and therapy development”, and COST CA16103 - “PARENCHIMA - Magnetic Resonance Imaging Biomarkers for Chronic Kidney Disease”.
He was recipient of the following awards, Best paper presented for ”Quality analysis of point cloud coding solutions”in 3D Imaging and Applications 2022, Electronic Imaging 2022, 2020 Award-winning ETRI Journal Papers - ”P. Schelkens, T.E. Ebrahimi, A. Giles and P. Gioia, K. Oh, F. Pereira, C. Perra, A. Pinheiro, JPEG Pleno: Providing Representation Interoperability for Holographic Applications and Devices, ETRI Journal, January, 2019”, Top 10% Paper Award - IEEE 16th International Workshop on Multimedia Signal Processing (MMSP) with the paper ”Performance evaluation of the emerging JPEG XT image compression standard”.
He is Associate editor of IEEE Trans. on Multimedia, member of the IEEE SPS MMSP TC, and a senior member of IEEE. 

Scientific Achievements

Degrees

• PhD, University of Essex, 02-05-2002

Affiliations

• IEEE - Institute of Electrical and Electronics Engineers, 01-01-2007, Senior

Leadership Positions

1Leadership Positions

• Communication Sub-Group chair of JPEG (ISO/IEC/JTC1/SC29/WG1), ISO/IEC, dez-2018 - nov-2019

Expertise Topics

• Image Processing
• Computer Vision
• Multimedia Quality

Academic Activities

2Lecture courses

• Processamento de Sinal e Imagem, Universidade da Beira Interior, Eng. Electrotecnica e de Computadores
• Microprocessors, Universidade da Beira Interior, Eng, Electrotecnica e de Computadores

5Supervision of PhD theses

As Supervisor

• Light Fields ad multi-view systems representation, coding and quality evalkuation, PhD Student, Daniela Ferreira Saraiva, Expected conclusion 07-2029
• Point cloud data quality evaluation and coding with enhanced random access and scalable decoding, PhD Student, João Pedro Casanova Prazeres, Expected conclusion 06-2025
• DETECTION AND CHARACTERIZATION OF NEUROMUSCULAR DISEASES IN MAGNETIC RESONANCE IMAGES, PhD Student, Rafael Rodrigues, Expected conclusion 12-2024
• Lightfield Images Rendering and Representation, PhD Student, Hadi Amirpourazarian, Expected conclusion 09-2022
• Computational Analysis of Fundus Images Rule­Based and Scale­Space Models, PhD Student, Ivo Miguel da Fonseca Gravito Soares, Defended 07-2022

5Supervision of MSc theses

As Supervisor

• View generation using Coded Light Fields: A quality analysis., MSc Student, Daniela Ferreira Saraiva, Concluded 12-2024
• Multi Focus Image Fusion using encoded images: A quality analysis., MSc Student, Marta Filipa Gomes Peraboa, Concluded 12-2024
• Multiview image fusion: Effects of compression on the performance of fusion models., MSc Student, Marta Filipa Gomes Peraboa, Concluded 10-2024
• Static Point Clouds Compression efficiency of MPEG point clouds coding standards - A practical comparison between two powerful PCC codec’s, MSc Student, João Pedro Casanova Prazeres, Concluded 07-2020
• A bag of words description scheme for image quality assessment, MSc Student, Miguel Francisco Fidalgo Fernandes, Concluded 10-2016

Publications

1Books Chapters

• M. Sousa, A. Pinheiro, Factors Influencing Quality of Ex- perience, Chapter in, Quality of Experience. Advanced Concepts, Applications and Methods, Sebastian Möller , Alexander Raake, Springer, 2014

44Papers in Journals

Early Access

• J. Prazeres, Rafael Rodrigues, M. Sousa, A. Pinheiro, Performance Analysis of Deep Learning-based Lossy Point Cloud Geometry Compression Coding Solutions, IEEE Access, Vol. 13, No., pp. 76000 - 76015, 2025 | Full text (PDF 27 MBs) | BibTex
• A. Pinheiro, R. Queiroz, S. Perry, L. A. S. C. Cruz, I. Viola, Advances on Point Cloud technology: From coding and quality evaluation to applications, Eurasip Journal on Image and Video Processing, Vol. 43, No., pp. -, October, 2024 | BibTex

Published

• S. Foessel, E. Alshina, A.M. Antonini, J. Ascenso, T. Bruylants, S. Caldwell, J. Delgado, T.E. Ebrahimi, W. Husak, P. Lemieux, F. Pereira, S. Perry, A. Pinheiro, P. Schelkens, F. Temmermans, O. Watanabe, JPEG Status and Progress Report 2024, SMPTE Motion Imaging Journal, Vol. 133, No. 7, pp. -, November, 2024 | BibTex
• J. Prazeres, M. Sousa, A. Pinheiro, Quality evaluation of point cloud compression techniques, Signal Processing: Image Communication, Vol. 128, No. 0, pp. 117156 - 117156, October, 2024 | Full text (PDF 3 MBs) | BibTex
• Rafael Rodrigues, L. Lévêque, J. Gutiérrez Gutiérrez, H. Jebbari Jebbari, M. Outtas, L. Zhang, A. Chetouani Chetouani, S. Al-Juboori Al-Juboori, M. Martini, A. Pinheiro, Objective quality assessment of medical images and videos: review and challenges, Multimedia Tools and Applications, Vol., No., pp. -, October, 2024,
  | Abstract | BibTex
• M. Tausif, E. Khan, A. Pinheiro, Computationally efficient wavelet-based low memory image coder for WMSNs/IoT, Multidimensional Systems and Signal Processing, Vol. 34, No. 3, pp. 657 - 680, May, 2023 | BibTex
• I. Soares, M. C. B. Castelo Branco, A. Pinheiro, Microaneurysms detection in retinal images using a multi-scale approach, Biomedical Signal Processing and Control, Vol. 79, No. 0, pp. 104184 - 104184, January, 2023 | BibTex
• S. Foessel, J. Ascenso, L. A. S. C. Cruz, T.E. Ebrahimi, P. Lemieux, C.L.P. Pagliari, A. Pinheiro, J. Sneyers, F. Temmermans, JPEG Status and Progress Report 2022, SMPTE Motion Imaging Journal, Vol. 131, No. 8, pp. 111 - 119, September, 2022 | BibTex
• H. Amirpourazarian, A. Pinheiro, M. Sousa, F. Lopes, M. Ghanbari, Efficient Light Field Image Compression with Enhanced Random Access, ACM Transactions on Multimedia Computing, Communications and Applications, Vol. 18, No. 2, pp. 1 - 18, May, 2022 | BibTex
• P. Schelkens, A. Ahar, A. Giles, R. Muhamad, T. Naughton, C. Perra, A. Pinheiro, P. Stępień, M. Kujawińska, Compression strategies for digital holograms in biomedical and multimedia applications, Light: Advanced Manufacturing, Vol. 3, No. 3, pp. 1 - 1, March, 2022 | Full text (PDF 2 MBs) | BibTex
• M. Bernardo, E. Fonseca, A. Pinheiro, PF Fiadeiro, M. Sousa, Efficient coding of experimental holograms using speckle denoising, Signal Processing: Image Communication, Vol. 96, No., pp. 116306 - 116306, May, 2021,
  | Abstract | BibTex
• R. Muhamad, T. Birnbaum, A. Giles, S. Mahmoudpour, K. Oh, M. Sousa, C. Perra, A. Pinheiro, P. Schelkens, JPEG Pleno holography: scope and technology validation procedures, Applied Optics, Vol. 60, No. 3, pp. 641 - 641, January, 2021 | BibTex
• A. Pinheiro, JPEG column: 89th JPEG meeting, ACM SIGMultimedia Records, Vol. 12, No. 4, pp. 1 - 1, December, 2020 | BibTex
• S. Foessel, J. Alakuijala, T.E. Ebrahimi, P. Lemieux, F. Pereira, A. Pinheiro, P. Schelkens, J. Sneyers, J. Wassenberg, JPEG Status and Progress Report, SMPTE Motion Imaging Journal, Vol. 129, No. 8, pp. 83 - 91, September, 2020,
  | Abstract | Full text (PDF 1 MB) | BibTex
• A. Pinheiro, JPEG column: 88th JPEG meeting, ACM SIGMultimedia Records, Vol. 12, No. 3, pp. 1 - 1, September, 2020 | BibTex
• Rafael Rodrigues, P.P. Pocta, H. M. Melvin, M. Bernardo, M. Sousa, A. Pinheiro, Audiovisual quality of live music streaming over mobile networks using MPEG-DASH, Multimedia Tools and Applications, Vol. 79, No. --, pp. 24595 - 24619, June, 2020,
  | Abstract | BibTex
• A. Pinheiro, JPEG column: 87th JPEG meeting, ACM SIGMultimedia Records, Vol. 12, No. 2, pp. 1 - 1, June, 2020 | BibTex
• M. Bernardo, A. Pinheiro, PF Fiadeiro, M. Sousa, Quality perception of specific chromatic impairments, Multimedia Tools and Applications, Vol. 79, No., pp. 19831 - 19851, March, 2020 | BibTex
• A. Pinheiro, JPEG column: 86th JPEG meeting in Sydney, Australia, ACM SIGMultimedia Records, Vol. 12, No. 1, pp. 1 - 1, March, 2020 | BibTex
• A. Pinheiro, JPEG column: 85th JPEG meeting in San Jose, California, U.S.A., ACM SIGMultimedia Records, Vol. 11, No. 4, pp. 1 - 1, December, 2019 | BibTex
• E. Fonseca, PF Fiadeiro, M. Bernardo, A. Pinheiro, M. Sousa, Assessment of speckle denoising filters for digital holography using subjective and objective evaluation models, Applied Optics, Vol. 58, No. 34, pp. G282 - G282, November, 2019 | BibTex
• A. Pinheiro, JPEG column: 84th JPEG meeting in Brussels, Belgium, ACM SIGMultimedia Records, Vol. 11, No. 3, pp. 1 - 1, September, 2019 | BibTex
• A. Pinheiro, JPEG column: 83rd JPEG meeting in Geneva, Switzerland, ACM SIGMultimedia Records, Vol. 11, No. 2, pp. 1 - 1, June, 2019 | BibTex
• H. Amirpourazarian, M. Ghanbari, A. Pinheiro, M. Sousa, Motion estimation with chessboard pattern prediction strategy, Multimedia Tools and Applications, Vol. 79, No. 1, pp. 1 - 20, April, 2019 | BibTex
• P. Schelkens, T.E. Ebrahimi, A. Giles, P. Gioia, K. Oh, F. Pereira, C. Perra, A. Pinheiro, JPEG Pleno: Providing Representation Interoperability for Holographic Applications and Devices, ETRI Journal, Vol. -, No. -, pp. - - -, January, 2019,
  | Abstract | Full text (PDF 8 MBs) | BibTex
• A. Pinheiro, JPEG column: 81st JPEG meeting in Vancouver, Canada, ACM SIGMultimedia Records, Vol. 10, No. 4, pp. 9 - 9, January, 2019 | BibTex
• S. Perry, A. Pinheiro, E. Dumic, L. A. S. C. Cruz, Study of Subjective and Objective Quality Evaluation of 3D Point Cloud Data by the JPEG Committee, Electronic Imaging, Vol. 2019, No. 10, pp. 312 - 1, January, 2019 | BibTex
• M. Bernardo, P. Fernandes, A. Arrifano, A.M. Antonini, E. Fonseca, PF Fiadeiro, A. Pinheiro, M. Sousa, Holographic representation: Hologram plane vs. object plane, Signal Processing: Image Communication, Vol. 68, No. 0, pp. 193 - 206, October, 2018 | BibTex
• A. Pinheiro, JPEG column: 79th JPEG meeting in La Jolla, California, U.S.A., ACM SIGMultimedia Records, Vol. 10, No. 2, pp. 5 - 5, August, 2018 | BibTex
• A. Pinheiro, JPEG column:: 78th JPEG meeting in Rio de Janeiro, Brazil, ACM SIGMultimedia Records, Vol. 10, No. 1, pp. 7 - 7, April, 2018 | BibTex
• A. Pinheiro, C. Timmerer, Standards column: JPEG and MPEG, ACM SIGMultimedia Records, Vol. 9, No. 1, pp. 1 - 1, October, 2017 | BibTex
• A. Pinheiro, JPEG column: 75th JPEG meeting in Sydney, Australia, ACM SIGMultimedia Records, Vol. 9, No. 1, pp. 10 - 10, October, 2017 | BibTex
• S. Ciftci, A. O. Akyuz, A. Pinheiro, T.E. Ebrahimi, Privacy Protection of Tone-mapped HDR Images Using False Colors, IET Signal Processing, Vol. 0, No. 0, pp. 1 - 8, August, 2017 | BibTex
• A. Pinheiro, JPEG column: 74th JPEG meeting, ACM SIGMultimedia Records, Vol. 8, No. 4, pp. 1 - 1, July, 2017 | BibTex
• E. Fonseca, PF Fiadeiro, M. Sousa, A. Pinheiro, Comparative analysis of autofocus functions in digital in-line phase-shifting holography, Applied Optics, Vol. 55, No. 27, pp. 7663 - 7674, September, 2016,
  | Abstract | Full text (PDF 593 KBs) | BibTex
• M. Bernardo, A. Pinheiro, PF Fiadeiro, M. Sousa, Image Quality under Chromatic Impairments, ACM Transactions on Applied Perception, Vol. 14, No. 1, pp. 1 - 20, August, 2016,
  | Abstract | BibTex
• P. Fernandes, M. Bernardo, A. Pinheiro, PF Fiadeiro, M. Sousa, Quality comparison of the HEVC and VP9 encoders performance, Multimedia Tools and Applications, Vol. 0, No. 0, pp. 1 - 17, July, 2016,
  | Abstract | BibTex
• I. Soares, M. Castelo-Branco, A. Pinheiro, Optic Disc Localization in Retinal Images Based on Cumulative Sum Fields, IEEE Journal of Biomedical and Health Informatics, Vol. 20, No. 2, pp. 574 - 585, March, 2016 | BibTex
• P. Hanhart, M. Bernardo, M. Sousa, A. Pinheiro, T.E. Ebrahimi, Benchmarking of objective quality metrics for HDR image quality assessment, Eurasip Journal on Image and Video Processing, Vol. 2015, No. 1, pp. 1 - 18, December, 2015 | BibTex
• Rafael Rodrigues, A. Pinheiro, R. Braz, M. Sousa, J. Moutinho, A Two-Step Segmentation Method for Breast Ultrasound Masses Based on Multi-resolution Analysis, Ultrasound in Medicine and Biology, Vol. 41, No. 6, pp. 1737 - 1748, June, 2015 | BibTex
• M. Sousa, A. Pinheiro, Application of texture analysis to muscle MRI: 1-What kind of information should be expected from texture analysis?, Wlodzimierz Klonowski, Aneta Stefanovska, Jack Tuszynski, Marc-Thorsten Huett, Viktor Jirsa,, Vol. 3, No. 1, pp. 1 - 14, March, 2015 | BibTex
• R. R. Rodrigues, R. Braz, M. Sousa, A. Pinheiro, A TWO-STEP SEGMENTATION METHOD FOR BREAST ULTRASOUND MASSES BASED ON MULTI-RESOLUTION ANALYSIS, Ultrasound in Medicine and Biology, Vol. 1, No. 1, pp. 1 - 12, January, 2015,
  | Abstract | BibTex
• L. Cardoso, A. Barbosa, F. Silva, A. Pinheiro, H. Proença, Iris Biometrics: Synthesis of Degraded Ocular Images, IEEE Transactions on Information Forensics and Security, Vol. 8, No. 7, pp. 1115 - 1125, June, 2013 | BibTex
• A. Pinheiro, M. Ghanbari, Piecewise Approximation of Contours Through Scale-Space Selection of Dominant Points, IEEE Transactions on Image Processing, Vol. 19, No. 6, pp. 1442 - 1450, June, 2010 | BibTex

63Papers in Conferences

• J. Prazeres, Rafael Rodrigues, M. Sousa, A. Pinheiro, SUBJECTIVE QUALITY EVALUATION OF POINT CLOUDS USING A HEAD-MOUNTED DISPLAY, IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Hyderabad, India, Vol., pp. -, April, 2025 | Full text (PDF 2 MBs) | BibTex
• J. Prazeres, Rafael Rodrigues, M. Sousa, A. Pinheiro, JPEG Pleno Learning Based Point Cloud Coding: Bitrate Tradeoff Between Geometry and Attributes Analysis, RECPAD Portuguese Conf. on Pattern Recognition - RecPad RECPAD, Covilha, Portugal, Vol., pp. -, October, 2024 | Full text (PDF 915 KBs) | BibTex
• Rafael Rodrigues, A. Pinheiro, Using Texture Features for the Segmentation of Skeletal Muscles of the Thigh in Dixon MRI, Portuguese Conf. on Pattern Recognition - RecPad, Coimbra, Portugal, Vol., pp. -, October, 2023 | Full text (PDF 347 KBs) | BibTex
• J. Prazeres, Rafael Rodrigues, M. Sousa, A. Pinheiro, Learning based point cloud compression: A stability analysis, RECPAD Portuguese Conf. on Pattern Recognition - RecPad RECPAD, Coimbra, Portugal, Vol., pp. -, October, 2023 | BibTex
• J. Prazeres, Rafael Rodrigues, M. Sousa, A. Pinheiro, JPEG PLENO LEARNING-BASED POINT CLOUD CODING: A PERFORMANCE ANALYSIS, IEEE Int. Conf. Image Processing, Kuala Lumpur, Malaysia, Vol., pp. -, October, 2023 | Full text (PDF 8 MBs) | BibTex
• M. Testolina, D. Lazzarotto, Rafael Rodrigues, S. Mohammadi, J. Ascenso, A. Pinheiro, T.E. Ebrahimi, On the Performance of Subjective Visual Quality Assessment Protocols for Nearly Visually Lossless Image Compression, ACM International Conference on Multimedia, Ottawa, Canada, October, 2023,
  | Abstract | BibTex
• J. Prazeres, A. Pinheiro, L. A. S. C. Cruz, S. Perry, JPEG PLENO CALL FOR PROPOSALS RESPONSES QUALITY ASSESSMENT, IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Ixia, Rodes, Greece, Vol., pp. -, June, 2023 | BibTex
• M. Tausif, E. Khan, M. Sousa, A. Pinheiro, Comprehensive Statistical analysis of Holograms in context of coding, IEEE IEEE International conference on Interdisciplinary Approaches in Technology and Management for Social Innovation IATMSI-2022, Gwalior, India, Vol., pp. -, December, 2022,
  | Abstract | BibTex
• M. Tausif, E. Khan, M. Sousa, A. Pinheiro, Transform domain analysis of holographic data in context of hologram plane coding, International Conf. on Multimedia, Signal Processing and Communication Technologies - IMPACT, Aligarh, India, Vol., pp. -, November, 2022 | BibTex
• J. Prazeres, M. Sousa, A. Pinheiro, SUBJECTIVE QUALITY EVALUATION OF POINT CLOUDS WITH 3D STEREOSCOPIC VISUALIZATION, IEEE International Conf. on Image Processing - ICIP, Bordeaux, France, Vol., pp. -, October, 2022 | Full text (PDF 2 MBs) | BibTex
• Rafael Rodrigues, S. Quijano-Roy, R. Carlier, A. Pinheiro, SEVERITY CLASSIFICATION IN CASES OF COLLAGEN VI-RELATED MYOPATHY WITH CONVOLUTIONAL NEURAL NETWORKS AND HANDCRAFTED TEXTURE FEATURES, IEEE International Conf. on Image Processing - ICIP, Bordeaux, France, Vol., pp. -, October, 2022 | Full text (PDF 415 KBs) | BibTex
• J. Prazeres, Rafael Rodrigues, M. Sousa, A. Pinheiro, Quality Evaluation of Machine Learning-based Point Cloud Coding Solutions, International Workshop on Advances in Point Cloud Compression, Processing and Analysis, ACM Multimedia, Lisbon, Portugal, October, 2022,
  | Abstract | Full text (PDF 9 MBs) | BibTex
• J. Prazeres, A. Giles, R. Muhamad, T. Birnbaum, P. Schelkens, A. Pinheiro, Quality evaluation of the JPEG Pleno Holography Call for Proposals response, International Conference on Quality of Multimedia Experience QoMEX, Lippstadt, Germany, Vol., pp. -, September, 2022 | Full text (PDF 18 MBs) | BibTex
• J. Prazeres, Rafael Rodrigues, M. Sousa, A. Pinheiro, On the stability of point cloud machine learning based coding, IEEE European Workshop on Visual Information Processing - EUVIP, Lisboa, Portugal, Vol., pp. -, September, 2022 | Full text (PDF 13 MBs) | BibTex
• R. Guerra, M. Sousa, E. Fonseca, A. Pinheiro, Holography Challenges on Coding and Quality Assessment, IEEE European Workshop on Visual Information Processing - EUVIP, Lisboa, Portugal, Vol., pp. -, September, 2022 | BibTex
• J. Prazeres, M. Sousa, A. Pinheiro, Quality analysis of point cloud coding solutions, IS&T/SPIE - Electronic Imaging, Conference online, January, 2022,
  | Abstract | BibTex
• A. Pinheiro, Plenoptic Quality Assessment: The JPEG Pleno Experience, ACM - Multimedia, Chengdu, China, Vol. 0, pp. 5675 - 5677, October, 2021,
  | Abstract | Full text (PDF 3 MBs) | BibTex
• Rafael Rodrigues, M. Banda, M. Tordjman, D. Gómez-Andrés, S. Quijano-Roy, R. Carlier, A. Pinheiro, Texture Analysis of T1-weighted Turbo Spin-Echo MRI for the Diagnosis and Follow-up of Collagen VI-related Myopathy, IEEE 18th International Symposium on Biomedical Imaging, Conference online, April, 2021,
  | Abstract | Full text (PDF 357 KBs) | BibTex
• H. Amirpourazarian, A. Pinheiro, M. Sousa, M. Ghanbari, Performance comparison of video encoders in light field image compression, IS&T/SPIE - Electronic Imaging, New York, United States, January, 2021 | BibTex
• A. Pinheiro, H. Amirpourazarian, E. Fonseca, M. Ghanbari, M. Sousa, Quality evaluation of digital holographic data encoded on the object plane using state of the art codecs, IEEE International Conf. on Image Processing - ICIP, abu dhabi, United Arab Emirates, October, 2020 | BibTex
• S. Perry, H. Con, A. Pinheiro, L. A. S. C. Cruz, J. Prazeres, M. Sousa, E. Dumic, E. Alexiou, T.E. Ebrahimi, Quality evaluation of static point clouds encoded using MPEG codecs, IEEE International Conf. on Image Processing - ICIP, abu dhabi, United Arab Emirates, October, 2020 | BibTex
• P. Schelkens, A. G. Gilles, S. Mahmoudpour, K. Oh, C. Perra, A. Pinheiro, Standardization of Holographic Compression: JPEG Pleno, OSA Imaging and Applied Optics Congress, Washington, DC, United States, June, 2020 | BibTex
• Rafael Rodrigues, A. Pinheiro, A Quality of Recognition Case Study: Texture-based Segmentation and MRI Quality Assessment, European Signal Processing Conference EUSIPCO, A Coruña, Spain, September, 2019,
  | Abstract | BibTex
• E. Fonseca, PF Fiadeiro, V Hajihashemi, M. Bernardo, A. Pinheiro, M. Sousa, Perceptual evaluation of speckle noise reduction techniques for phase shifting holograms, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Berlin, Germany, June, 2019 | BibTex
• H. Amirpourazarian, A. Pinheiro, M. Sousa, Reliability of the most common objective metrics for Light Field Quality Assessment, IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Brighton, United Kingdom, May, 2019 | BibTex
• H. Amirpourazarian, A. Pinheiro, M. Sousa, Fast depth decision in Light field compression, IEEE Data Compression Conference - DCC, Snowbird, Utah, United States, March, 2019 | BibTex
• H. Amirpourazarian, A. Pinheiro, M. Sousa, F. Lopes, Light field image compression with random access, IEEE Data Compression Conference - DCC, Snowboard, Utah, United States, March, 2019 | BibTex
• M. Bernardo, E. Fonseca, A. Pinheiro, PF Fiadeiro, M. Sousa, Speckle Reduction for Efficient Coding of Experimental Holograms, IEEE Data Compression Conference - DCC, Snowbird, Utah, United States, March, 2019 | BibTex
• C. Santos, F. Lopes, A. Pinheiro, L. A. S. C. Cruz, A Sub-Partitioning Method for Point Cloud Inter-prediction Coding, Visual Communications and Image Processing - VCIP, Taichung, Taiwan, December, 2018,
  | Abstract | BibTex
• A. Pinheiro, I. Soares, M. Castelo-Branco, A new vessel enhancement transform on retinal blood vessels segmentation, Eurographics Workshop on Visual Computing for Biology and Medicine, Granada, Spain, October, 2018 | BibTex
• H. Amirpourazarian, A. Pinheiro, M. Sousa, Analysis of motion vectors and parallel computing in pseudo-sequence based light field image compression methods, Applications of Digital Image Processing XLI, San diego, Calofornia, United States, August, 2018 | BibTex
• M. Bernardo, E. Fonseca, PF Fiadeiro, A. Pinheiro, M. Sousa, A digital hologram compression scheme for representation on the object plane, SPIE Photonics Europe: Optics, Photonics and Digital Technologies for Multimedia Applications, San Diego, United States, August, 2018 | BibTex
• E. Alexiou, A. Pinheiro, C. Duarte, D. Matkovic, E. Dumic, L. A. S. C. Cruz, L. Dmitrovic, M. Bernardo, M. Sousa, T.E. Ebrahimi, Point cloud subjective evaluation methodology based on reconstructed surfaces, SPIE Optical Engineering + Applications (OP18O), Applications of Digital Image Processing XLI SPIE - OP180, San Diego, United States, August, 2018 | BibTex
• L. Lévêque, H. Liu, S. Baraković, J. Husić, L. Platisa, A. Kumcu, M. Martini, Rafael Rodrigues, A. Pinheiro, M. Outtas, L. Zhang, AS Skodras, On the Subjective Assessment of the Perceived Quality of Medical Images and Videos, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Sardinia, Italy, May, 2018,
  | Abstract | BibTex
• E. Alexiou, T.E. Ebrahimi, M. Bernardo, M. Sousa, A. Pinheiro, L1 C, C. Duarte, L. Dmitrovic, E. Dumic, D. Matkovic, AS Skodras, Point cloud subjective evaluation methodology based on 2D rendering, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Sardinia, Italy, May, 2018 | BibTex
• M. Bernardo, A. Pinheiro, M. Sousa, Benchmarking coding standards for digital holography represented on the object plane, SPIE Photonics Europe: Optics, Photonics and Digital Technologies for Multimedia Applications, Strasbourg, France, Vol. 10679, pp. -, April, 2018 | BibTex
• H. Amirpourazarian, M. Sousa, A. Pinheiro, High efficient snake order pseudo-sequence based light field image compression, IEEE Data Compression Conference - DCC, Salt Lake City, United States, March, 2018 | BibTex
• A. Pinheiro, M. Sousa, LDR images generation with JPEG-XT decoded HDR images, IEEE International Conference on Image Processing Antonio M G Pinheiro ICIP 2016, Phoenix, United States, Vol. 1, pp. 1399 - 1403, September, 2016 | BibTex
• A. Pinheiro, M. Bernardo, M. Sousa, LDR images generation with JPEG-XT decoded HDR images, IEEE International Conf. on Image Processing - ICIP, Phoenix, United States, September, 2016 | BibTex
• Rafael Rodrigues, P.P. Pocta, H. M. Melvin, M. Sousa, A. Pinheiro, MPEG DASH - Some QoE-based insights into the tradeoff between audio and video for live music concert streaming under congested network conditions, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Lisbon, Portugal, Vol. 8, pp. 0 - 0, June, 2016,
  | Abstract | Full text (PDF 3 MBs) | BibTex
• M. FF. Fidalgo-Fernandes, M. Bernardo, A. Pinheiro, A bag of words description scheme based on SSIM for image quality assessment, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Lisbon, Portugal, Vol., pp. 1 - 6, June, 2016 | BibTex
• P. K. Korshunov, M. Bernardo, A. Pinheiro, T.E. Ebrahimi, Impact of Tone-mapping Algorithms on Subjective and Objective Face Recognition in HDR Images, ACM Fourth International Workshop on Crowdsourcing for Multimedia CrowdMM, Brisbane, Australia, Vol., pp. 39 - 44, October, 2015 | BibTex
• M. Bernardo, A. Pinheiro, PF Fiadeiro, M. Sousa, Eye gaze behavior under chromatic impairments and quality assessment, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Pylos-Nestoras, Greece, Vol., pp. 1 - 6, May, 2015 | BibTex
• M. Sousa, A. Pinheiro, MB Bernardo, PF Fiadeiro, Quality Assessment of Chromatic Variations: A Study of Full-Reference and No-Reference Metrics, European Signal Processing Conference EUSIPCO, Lisboa, Portugal, Vol. 1, pp. 1 - 1, September, 2014 | BibTex
• A. Pinheiro, MB Bernardo, M. Sousa, Performance evaluation of the emerging JPEG XT image compression standard, IEEE Workshop on MultiMedia Signal Processing - MMSP, Jakarta, Indonesia, Vol. 1, pp. 1 - 6, September, 2014 | BibTex
• MB Bernardo, A. Pinheiro, M. Sousa, Chromatic Variations on 3D Video and QoE, European Signal Processing Conference EUSIPCO, Lisboa, Portugal, Vol. 1, pp. 1 - 6, September, 2014 | BibTex
• M. Sousa, MB Bernardo, A. Pinheiro, HDR image compression: a new challenge for objective quality metrics, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Singapore, Singapore, Vol. 1, pp. 1 - 6, September, 2014 | BibTex
• D. P. Piedade, M. Bernardo, A. Pinheiro, PF Fiadeiro, M. Sousa, Chromatic Variations on 3D Video and QoE, European Signal Processing Conference EUSIPCO, Lisbon, Portugal, Vol., pp. 221 - 225, September, 2014 | BibTex
• M. Bernardo, A. Pinheiro, PF Fiadeiro, M. Sousa, Quality assessment of chromatic variations: A study of full-reference and no-reference metrics, European Signal Processing Conference EUSIPCO, Lisbon, Portugal, Vol., pp. 216 - 220, September, 2014 | BibTex
• P. Hanhart, M. Bernardo, P. K. Korshunov, M. Sousa, A. Pinheiro, T.E. Ebrahimi, HDR image compression: A new challenge for objective quality metrics, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Singapore, Singapore, Vol., pp. 159 - 164, September, 2014 | BibTex
• A. Pinheiro, K. F. Fliegel, P. K. Korshunov, L. K. Krasula, M. Bernardo, M. Sousa, T.E. Ebrahimi, Performance evaluation of the emerging JPEG XT image compression standard, IEEE Workshop on MultiMedia Signal Processing - MMSP, Jakarta, Indonesia, September, 2014 | BibTex
• MB Bernardo, A. Pinheiro, M. Sousa, Specific chromatic errors: A quality assessment, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Klagenfurt, Austria, Vol. 1, pp. 1 - 6, July, 2013 | BibTex
• MB Bernardo, A. Pinheiro, M. Sousa, Objective evaluation of chromatic quality assessment, IEEE International Conf. on Multimedia and Expo - ICME, San Jose, United States, Vol. 1, pp. 1 - 6, July, 2013 | BibTex
• M. Bernardo, A. Pinheiro, PF Fiadeiro, M. Sousa, Objective Evaluation of Chromatic Quality Assessment, IEEE International Conf. on Multimedia and Expo - ICME, San José, United States, Vol., pp. 1 - 6, July, 2013 | BibTex
• M. Bernardo, A. Pinheiro, PF Fiadeiro, M. Sousa, Specific chromatic errors: A quality assessment, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Klagenfurt am Wörthersee, Austria, Vol., pp. 1 - 5, July, 2013 | BibTex
• R. R. Rodrigues, A. Pinheiro, R. Braz, M. Pereira Pereira, J. M. Moutinho, Towards Breast Ultrasound Image Segmentation using Multi-resolution Pixel Descriptors, International Conf. on Pattern Recognition - ICPR, Tsukuba, Japan, Vol. 0, pp. 0 - 0, November, 2012,
  | Abstract | BibTex
• R. R. Rodrigues, A. Pinheiro, R. Braz, M. Sousa, J. M. Moutinho, Towards Breast Ultrasound Image Segmentation Using Multi-Resolution Pixel Descriptors, International Conf. on Pattern Recognition - ICPR, Tsukuba Science City, Japan, Vol. 1, pp. 1 - 6, November, 2012 | BibTex
• Rafael Rodrigues, R. Braz, M. Sousa, J. Moutinho, A. Pinheiro, Towards Breast Ultrasound Image Segmentation using Multi-resolution Pixel Descriptors, International Conf. on Pattern Recognition - ICPR, Tsukuba, Japan, Vol. 21, pp. 2833 - 2836, November, 2012,
  | Abstract | Full text (PDF 438 KBs) | BibTex
• M. Bernardo, A. Pinheiro, M. Sousa, PF Fiadeiro, A study on the user perception to color variations, ACM - Multimedia, Nara, Japan, Vol., pp. 1009 - 1012, November, 2012 | BibTex
• MB Bernardo, A. Pinheiro, PF Fiadeiro, M. Sousa, A Study on the User Perception to Color Variations, ACM - Multimedia, Napa, Japan, Vol. 1, pp. 1 - 1, October, 2012 | BibTex
• R. Braz, J. M. Moutinho, M. Freire, A. Pinheiro, M. Pereira Pereira, Breast ultrasound gland segmentation, Portuguese Conf. on Pattern Recognition - RecPad, Coimbra, Portugal, Vol. 0, pp. 0 - 0, October, 2012 | BibTex
• Rafael Rodrigues, A. Pinheiro, A Two-stage Mass Segmentation Method for Breast Ultrasound Images, Portuguese Conf. on Pattern Recognition - RecPad, Coimbra, Portugal, Vol. 0, pp. 85 - 87, October, 2012,
  | Abstract | Full text (PDF 494 KBs) | BibTex
• R. Braz, A. Pinheiro, J. M. Moutinho, M. Freire, M. Pereira Pereira, Breast Ultrasound Images Gland Segmentation, IEEE International Workshop on Machine Learning for Signal Processing, Santander, Spain, Vol. 0, pp. 0 - 0, September, 2012 | BibTex

3Non-refereed Publications

• A. Pinheiro, Qualinet White Paper on Definitions of Quality of Experience, 2012,
  | Full text (PDF 525 KBs) | Other Resources
• Rafael Rodrigues, A. Pinheiro, Segmentation of skeletal muscle in thigh Dixon MRI based on texture analysis, 2019,
  | Abstract | Full text (PDF 698 KBs) | Other Resources
• Rafael Rodrigues, A. Perkis, C. Timmerer, S. Baraković, J. Husić, S. Bech, S. Bosse, J. Botev, K. Brunnström, L. A. S. C. Cruz, K. Moor, A. Saibanti, W. Durnez, S. Egger-Lampl, U. Engelke, T. Falk, A. Hameed, A. Hines, T. Kojic, D. Kukolj, E. Liotou, D. Milovanovic, S. Möller, N. Murray, B. Naderi, M. Sousa, S. Perry, A. Pinheiro, A. Pinilla, A. Raake, S. Agrawal, U. Reiter, R. Schatz, P. Schelkens, S. Schmidt, S. Sabet, A. Singla, L. Skorin-Kapov, M. Suznjevic, S. Uhrig, S. Vlahović, J. Voigt-Antons, S. Zadtootaghaj, QUALINET White Paper on Definitions of Immersive Media Experience (IMEx), 2020,
  | Abstract | Full text (PDF 346 KBs) | Other Resources

Projects

Currently running projects2

Acronym	Name	Funding Agency	Start date	Ending date
Gestão CTI-IT	Centro de Tecnologia e Interface IT - Instituto de Telecomunicações	Next generation EU - Plano de Recuperação e Resiliência (PRR) - Componente 16 “Empresas 4.0” - TD-C16-i03 “Catalisação da Transformação Digital das Empresas”	01-01-2023	31-12-2025
MultImagePCQ	Multi-view and Light Fields processing, coding and quality	FCT	01-06-2025	31-05-2028

Closed Projects2

Acronym	Name	Funding Agency	Start date	Ending date
EmergIMG	Emerging Image Modalities Representation and Compression	FCT/PTDC	01-06-2016	01-06-2020
PCCOMPQ	Point Cloud Compression and Quality Evaluation	FCT	01-05-2017	01-04-2018

Other Scientific Achievements

1Awards

• J. Prazeres, M. Sousa, A. Pinheiro, Best Paper, Best Paper presented to Joao Prazeres, Manuela Pereira, and Antonio Pinheiro Universidade da Beira Interior (UBI) and Instituto de Telecomunicacoes (Portugal) for Quality analysis of point cloud coding solutions, 01-01-2022

1Miscellaneous

• A. Pinheiro, JPEG (SC29/WG1) Sub-Group Communications Chair, National Delegate, https://jpeg.org/contact.html, 31-12-2016

10Short Courses and Seminars

• A. Pinheiro, Texture Analysis applied to muscle MRI, Second COST BM1304 MYO-MRI Training School, Institute of Myology, G.H. Pitié-Salpêtrière - Bât. Babinski in Paris, France from 26th to 28th, June 2017, France, Paris, 06-2017
• A. Pinheiro, Image texture analysis applied to muscle MRI, 24 March 2017, Honorary Appointment as Visiting Professor in the Faculty of Engineering and Information Technology, at the University of Technology Sydney (Mar-2017), Australia, Sydney, 03-2017
• A. Pinheiro, Privacy and anonymization: A case study with HDR images, 20 March 2017, Honorary Appointment as Visiting Professor in the Faculty of Engineering and Information Technology, at the University of Technology Sydney, Australia, Sydney, 03-2017
• A. Pinheiro, QoE and Chromatic impairments, 22 March 2017, Honorary Appointment as Visiting Professor in the Faculty of Engineering and Information Technology, at the University of Technology Sydney, Australia, Sydney, 03-2017
• A. Pinheiro, HDR imaging: A study on privacy assessment and anonymisation, Second COST IC1206 ”DE-ID De-identification for privacy protection in multimedia content” Training School, Spain, Las Palmas, 02-2017
• A. Pinheiro, Texture Analysis applied to muscle MRI, Second COST BM1304 MYO-MRI Training School, Institute of Myology, G.H. Pitié-Salpêtrière - Bât. Babinski in Paris, France from 15th to 17th, June 2016, France, Paris, 06-2016
• A. Pinheiro, Privacy on HDR imaging: A case study, First COST IC1206 ”DE-ID De-identification for privacy protection in multimedia content”Training School, Limassol, Cyprus from 7th to 11th, October 2015, Cyprus, Limassol, 10-2015
• A. Pinheiro, An introduction to Texture Analysis and Histological & MRI Texture Analysis, First COST BM1304 MYO-MRI Training School, Institute of Myology, G.H. Pitié-Salpêtrière - Bât. Babinski in Paris, France from 16th to 18th, June 2015, France, PARIS, 06-2015
• A. Pinheiro, Introduction to Image Recognition, First COST BM1304 MYO-MRI Training School, Institute of Myology, G.H. Pitié-Salpêtrière - Bât. Babinski in Paris, France from 16th to 18th, June 2015, France, Paris, 06-2015
• A. Pinheiro, Texture Analysis Methods, First COST BM1304 MYO-MRI Training School, Institute of Myology, G.H. Pitié-Salpêtrière - Bât. Babinski in Paris, France from 16th to 18th, June 2015, France, Paris, 06-2015

1Tutorials

• A. Pinheiro, Plenoptic Quality Assessment: The JPEG Pleno Experience

Other Contributions

3Conference Committees

• IEEE Int. Conf. Image Processing, Technical Programme Committee, 2020
• IEEE Int. Conf. Image Processing, Technical Programme Committee, 2019
• IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Special Sessions Chairman, 2016

2Editorial Committees

• Guest Editor, Eurasip Journal on Image and Video Processing, 02-10-2023 - 16-10-2024
• Associate Editor, IEEE Transactions on Multimedia, 01-09-2023 - 31-08-2025

Related UN SDG

Activities from this researcher fall under the following United Nations Strategic Development Goals (SDGs):